CPC Subgroup
A43B 21/24 characterised by the constructive form
Full Title
Heels; Top-pieces or top-lifts > characterised by the constructive form
3 direct subcodes
Child Classifications
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- A43B 21/26 Resilient heels
- A43B 21/30 Heels with metal springs
- A43B 21/32 Resilient supports for the heel of the foot